Challenger MT455B

Last Updated: July 2024

Overview

The Challenger MT455B is a robust utility tractor manufactured by Challenger, a division of AGCO. Powered by a turbocharged Perkins Diesel 1104C engine with a 17.5:1 compression ratio, this working machine provides an impressive 95 horsepower output, ensuring it can handle a wide range of heavy-duty tasks. The transmission is a selective gear fixed ratio with partial (2) range operator controlled powershift, offering 16 forward and 16 reverse gears. Detailed gear speeds and hydraulic system specifications are available in the independent test results. The tractor features a hydrostatic power steering system and a rear Type II hitch. Brakes are multiple wet discs hydraulically operated by two foot-pedals that can be locked together. The power take-off operates at 540 rpm at 1980 engine rpm or 1000 rpm at 2000 engine rpm. With a weight range of 8885 - 9445 lbs, this tractor is designed for efficient performance and operator comfort.
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Key Specifications

Category: Utility

Power Output: 95

Transmission: Selective gear fixed ratio with partial (2) range operator controlled powershift

Drive Type: 2WD

Operating Weight: 8885 - 9445

Fuel Type: Diesel

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Challenger MT455B Tractor Challenger MT455B Tractor Challenger MT455B Tractor Challenger MT455B Tractor Challenger MT455B Tractor Challenger MT455B Tractor

Challenger MT455B vs. Similar Tractors

Power Output
Above Average
Greater than 80% of similar tractors.
Operating Weight
Excellent
Greater than 92% of similar tractors.

Technical Specifications

Engine

Manufacturer
Perkins Diesel
Model
1104C
Cooling Type
Liquid-cooled
Cylinder Orientation
Vertical
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
4
Displacement (ci)
268
Bore (in)
4.134
Stroke (in)
5
Rated RPM
2200
Power Output (hp)
95

Transmission

Type
Selective gear fixed ratio with partial (2) range operator controlled powershift
Forward Gears
16
Reverse Gears
16
Total Gears
-

Dimensions

Length (in)
-
Width (in)
-
Height (in)
-
Operating Weight (lb)
8885 - 9445

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2
Drive Type
2WD
Steering Type
Hydrostatic power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
38
Rear Tire Width (in)
18.4
Front/Rear Rim Diameter (in)
-
Tire Type
-
Manufacture - End Year
-
Hitch Type
Rear Type II
Hitch Category
-
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
Open ROPS or Closed Center Load Sensing (Cab)
Starter Type
Electric (12 volts)
Brake Type
-
Hydraulic System Type
Open Center (for ROPS), Closed Center Load Sensing (for Cab)

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 2004

Maximum Power and Fuel Consumption

  • Maximum Power (at Standard PTO Speed, 1100 rpm): 82.6 HP (61.6 kW) at 1955 rpm
  • Fuel Consumption at Maximum Power: 4.86 Gal/hr (18.38 l/h) with a fuel efficiency of 0.419 lb/hp.hr (0.254 kg/kW.h)
  • Fuel Efficiency: 17.00 Hp.hr/gal (3.35 kW.h/l)

Drawbar Performance

  • Maximum Power in 8th Gear (1LC): 66.8 HP (49.8 kW) with a drawbar pull of 4050 lbs (18.0 kN) and a speed of 6.18 mph (9.95 km/h)
  • Fuel Consumption at Maximum Power: 0.575 lb/hp.hr (0.350 kg/kW.h) with a fuel efficiency of 12.33 Hp.hr/gal (2.43 kW.h/l)

Torque and Engine Performance

  • Maximum Torque: 271.3 lb.-ft. (367.8 Nm) at 1300 rpm
  • Torque Rise: 41.8% with a torque rise at 1750 engine rpm of 27%

Hydraulic Performance

  • Maximum Force Exerted: 7285 lbs (32.4 kN)
  • Pump Delivery Rate: 15.6 GPM (59.1 l/min) at minimum pressure
  • Hydraulic Power: 20.5 HP (15.3 kW) at delivery pressure of 2305 psi (159 bar)

Overall Efficiency

  • Fuel Efficiency at Varying Power:
  • At 80.2 HP: 15.37 Hp.hr/gal (3.03 kW.h/l)
  • At 70.4 HP: 14.47 Hp.hr/gal (2.85 kW.h/l)
  • At 52.6 HP: 12.38 Hp.hr/gal (2.44 kW.h/l)
  • At 34.9 HP: 10.64 Hp.hr/gal (2.10 kW.h/l)
  • At 17.4 HP: 6.97 Hp.hr/gal (1.37 kW.h/l)

    NTTL. (2004). Nebraska Summary S516 Challenger MT455B. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/3127

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